cubrid_fetch

(PECL CUBRID >= 8.3.0)

cubrid_fetch — Fetch the next row from a result set

说明

cubrid_fetch(resource $result, int $type = CUBRID_BOTH): mixed

The cubrid_fetch() function is used to get a single row from the query result. The cursor automatically moves to the next row after getting the result.

参数

result: result comes from a call to cubrid_execute()
type: Array type of the fetched result CUBRID_NUM, CUBRID_ASSOC, CUBRID_BOTH, CUBRID_OBJECT. If you want to operate the lob object, you can use CUBRID_LOB.

返回值

Result array or object, when process is successful.

false, when there are no more rows; NULL, when process is unsuccessful.

The result can be received either as an array or as an object, and you can decide which data type to use by setting the type argument. The type variable can be set to one of the following values:

CUBRID_NUM : Numerical array (0-based)
CUBRID_ASSOC : Associative array
CUBRID_BOTH : Numerical & Associative array (default)
CUBRID_OBJECT : object that has the attribute name as the column name of query result

When type argument is omitted, the result will be received using CUBRID_BOTH option as default. When you want to receive query result in object data type, the column name of the result must obey the naming rules for identifiers in PHP. For example, column name such as "count(*)" cannot be received in object type.

范例

示例 #1 cubrid_fetch() example


<?php
$conn = cubrid_connect("localhost", 33000, "demodb");
$req = cubrid_execute($conn, "SELECT * FROM stadium WHERE nation_code='GRE' AND seats > 10000");

printf("%-40s %-10s %-6s %-20s\n", "name", "area", "seats", "address");
while ($row = cubrid_fetch($req)) {
    printf("%-40s %-10s %-6s %-20s\n", 
        $row["name"], $row["area"], $row["seats"], $row["address"]);
}

// if you want to operate lob object, you can use cubrid_fetch($req, CUBRID_LOB)

cubrid_close_request($req);

cubrid_disconnect($conn);
?>

以上例程会输出：

name                                     area       seats  address             
Panathinaiko Stadium                     86300.00   50000  Athens, Greece      
Olympic Stadium                          54700.00   13000  Athens, Greece      
Olympic Indoor Hall                      34100.00   18800  Athens, Greece      
Olympic Hall                             52400.00   21000  Athens, Greece      
Olympic Aquatic Centre                   42500.00   11500  Athens, Greece      
Markopoulo Olympic Equestrian Centre     64000.00   15000  Markopoulo, Athens, Greece
Faliro Coastal Zone Olympic Complex      34650.00   12171  Faliro, Athens, Greece
Athens Olympic Stadium                   120400.00  71030  Maroussi, Athens, Greece 
Ano Liossia                              34000.00   12000  Ano Liosia, Athens, Greece

参见

cubrid_execute() - Execute a prepared SQL statement
cubrid_fetch_array() - Fetch a result row as an associative array, a numeric array, or both
cubrid_fetch_row() - Return a numerical array with the values of the current row
cubrid_fetch_assoc() - Return the associative array that corresponds to the fetched row
cubrid_fetch_object() - Fetch the next row and return it as an object

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官方地址：https://www.php.net/manual/en/function.cubrid-fetch.php

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cubrid_fetch

说明

参数

返回值

范例

参见

User Contributed Notes